SA Supplements Vol 68 Issue 1766supp

SA Supplements

Volume 68, Issue 1766supp

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Features

The Origin of Life

A Discussion of Modern Views

E. H. Starling

The Microscope

Its Practical Applications

J. E. Barnard

Safety Devices for Steam Boilers

A Description of Novel Warming Apparatus

Aerodynamic and Aerostatic Studies

Experiments with Models of Airships and Aeroplanes

L. Prandtl

The Paris Aviation Exhibition.—II

Particulars of some of the Aeronautic Motors Shown

Fuel from Peat

Smokeless Combustion

The Conservation of Coal

The Loetschberg Tunnel through the Bernese Alps

Alfred Gradenwitz

Electrochemical Age

Science Of Metallurgy Now Entering a New Era

Elmer E. Carey

The Pneumatic Tire and the Aeroplane

The Science and Art of Stoking

Memphis and its Foreigners

The Preliminary Work at Athribis

W. Flinders-Petrie

The Bitter Quarrels of Discoverers

Cosmic Influences and Health

Recent Progress in Chemistry

New Theories of the Structure of the Elements

H. E. Armstrong

Heating by Friction

Electrical Notes

Trade Notes and Formulæ

Engineering Notes